US7425053B2 - Printhead assembly with a laminated ink distribution assembly - Google Patents
Printhead assembly with a laminated ink distribution assembly Download PDFInfo
- Publication number
- US7425053B2 US7425053B2 US11/281,419 US28141905A US7425053B2 US 7425053 B2 US7425053 B2 US 7425053B2 US 28141905 A US28141905 A US 28141905A US 7425053 B2 US7425053 B2 US 7425053B2
- Authority
- US
- United States
- Prior art keywords
- ink
- printhead
- assembly
- ink distribution
- printhead assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
- B41J11/057—Structure of the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/08—Bar or like line-size platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/14—Platen-shift mechanisms; Driving gear therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/145—Arrangement thereof
- B41J2/155—Arrangement thereof for line printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1637—Manufacturing processes molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16585—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14362—Assembling elements of heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14419—Manifold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/11—Embodiments of or processes related to ink-jet heads characterised by specific geometrical characteristics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/19—Assembling head units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/20—Modules
Definitions
- the laminated ink distribution structure includes multiple layers situated one upon another with at least one of said layers having a plurality of ink holes therethrough, each ink hole conveying ink from one of said ducts enroute to one of said print chips.
- At least two adjacent ones of said layers have an array of aligned air holes therethrough.
- the present invention also provides a method of distributing ink to an array of print chips in a printhead assembly, the method serving to distribute different inks from respective ink sources to each said print chip for printing on a sheet, the method comprising:
- the term “ink” is intended to mean any fluid which flows through the printhead to be delivered to a sheet.
- the fluid may be one of many different coloured inks, infra-red ink, a fixative or the like.
- FIG. 15 is a schematic perspective illustration of a first laminate layer.
- FIG. 16 is a schematic perspective illustration of a second laminate layer.
- a printhead assembly 11 is mounted to the chassis 10 by means of respective printhead spacers 20 mounted to the chassis 10 .
- the spacer moldings 20 increase the printhead assembly length to 220 mm allowing clearance on either side of 210 mm wide paper.
- Ink is delivered to the print chips via a distribution molding 35 and laminated stack 36 arrangement forming part of the printhead 11 .
- Ink from an ink cassette 93 ( FIGS. 26 and 27 ) is relayed via individual ink hoses 94 to individual ink inlet ports 34 integrally molded with a plastics duct cover 39 which forms a lid over the plastics distribution molding 35 .
- the distribution molding 35 includes six individual longitudinal ink ducts 40 and an air duct 41 which extend throughout the length of the array. Ink is transferred from the inlet ports 34 to respective ink ducts 40 via individual cross-flow ink channels 42 , as best seen with reference to FIG. 7 .
- the first layer 52 incorporates twenty four individual ink holes 53 for each of ten print chips 27 . That is, where ten such print chips are provided, the first layer 52 includes two hundred and forty ink holes 53 . The first layer 52 also includes a row of air holes 54 alongside one longitudinal edge thereof.
- the underside of the second layer 56 has formed therein a number of transversely extending channels 58 to relay ink passing through ink holes 53 c and 53 d toward the centre. These channels extend to align with a pair of slots 59 formed through a third layer 60 of the laminate.
- the third layer 60 of the laminate includes four slots 59 corresponding with each print chip, with two inner slots being aligned with the pair of slots formed in the second layer 56 and outer slots between which the inner slots reside.
- Rib details in the underside of the micro-molding provides support for the TAB film when they are bonded together.
- the TAB film forms the underside wall of the printhead module, as there is sufficient structural integrity between the pitch of the ribs to support a flexible film.
- the edges of the TAB film seal on the underside wall of the cover molding 39 .
- the chip is bonded onto one hundred micron wide ribs that run the length of the micro-molding, providing a final ink feed to the print nozzles.
- an air valve molding 66 formed as a channel with a series of apertures 67 in its base.
- the spacing of these apertures corresponds to air passages 68 formed in the base of the air duct 41 (see FIG. 6 ), the air valve molding being movable longitudinally within the air duct so that the apertures 67 can be brought into alignment with passages 68 to allow supply the pressurized air through the laminated stack to the cavity between the print chip and the nozzle guard, or moved out of alignment to close off the air supply.
- Compression springs 69 maintain a sealing inter-engagement of the bottom of the air valve molding 66 with the base of the air duct 41 to prevent leakage when the valve is closed.
- the optical paper sensor includes an optical sensor 88 mounted on the lower surface of the PCB 21 and a sensor flag arrangement mounted on the arms 89 protruding from the distribution molding.
- the flag arrangement comprises a sensor flag member 90 mounted on a shaft 91 which is biased by torsion spring 92 . As paper enters the feed rollers, the lowermost portion of the flag member contacts the paper and rotates against the bias of the spring 92 by an amount dependent on the paper thickness.
- the optical sensor detects this movement of the flag member and the PCB responds to the detected paper thickness by causing compensatory rotation of the platen 14 to optimize the distance between the paper surface and the nozzles.
Abstract
Description
09/575,197 | 09/575,195 | 09/575,159 | 09/575,132 | 09/575,123 | 6,825,945 |
09/575,130 | 09/575,165 | 6,813,039 | 09/575,118 | 09/575,131 | 09/575,116 |
6,816,274 | 09/575,139 | 09/575,186 | 6,681,045 | 6,728,000 | 09/575,145 |
09/575,192 | 09/575,181 | 09/575,193 | 09/575,122 | 09/575,183 | 6,789,194 |
09/575,150 | 6,789,191 | 6,644,642 | 6,502,614 | 6,622,999 | 6,669,385 |
6,549,935 | 6,591,884 | 6,439,706 | 09/575,187 | 6,727,996 | 6,760,119 |
09/575,198 | 6,290,349 | 6,428,155 | 09/575,146 | 09/575,174 | 6,822,639 |
6,737,591 | 09/575,154 | 09/575,129 | 6,830,196 | 09/575,188 | 09/575,189 |
09/575,162 | 09/575,172 | 09/575,170 | 09/575,171 | 09/575,161 | 6,428,133 |
6,526,658 | 6,315,699 | 6,338,548 | 6,540,319 | 6,328,431 | 6,328,425 |
09/575,127 | 6,383,833 | 6,464,332 | 6,390,591 | 09/575,152 | 6,328,417 |
6,322,194 | 09/575,177 | 6,629,745 | 6,409,323 | 6,281,912 | 6,604,810 |
6,318,920 | 6,488,422 | 6,795,215 | 09/575,109 | 09/575,110 | 6,290,349 |
6,712,452 | 6,416,160 | 6,238,043 | 09/575,119 | 6,812,972 | 09/575,157 |
6,554,459 | 09/575,134 | 09/575,121 | 09/575,137 | 6,804,026 | 09/575,120 |
The disclosures of these co-pending applications are incorporated herein by reference.
Claims (7)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/281,419 US7425053B2 (en) | 2000-05-23 | 2005-11-18 | Printhead assembly with a laminated ink distribution assembly |
US12/186,510 US7740338B2 (en) | 2000-05-23 | 2008-08-05 | Printhead assembly having a pressurised air supply |
US12/815,307 US20100245473A1 (en) | 2000-05-23 | 2010-06-14 | Printhead assembly having crossover ink distribution assembly |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/575,111 US6488422B1 (en) | 2000-05-23 | 2000-05-23 | Paper thickness sensor in a printer |
US10/172,024 US6796731B2 (en) | 2000-05-23 | 2002-06-17 | Laminated ink distribution assembly for a printer |
US10/728,926 US6997625B2 (en) | 2000-05-23 | 2003-12-08 | Ink distribution assembly |
US11/026,027 US6994419B2 (en) | 2000-05-23 | 2005-01-03 | Multi-function printhead platen |
US11/281,419 US7425053B2 (en) | 2000-05-23 | 2005-11-18 | Printhead assembly with a laminated ink distribution assembly |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/026,027 Continuation US6994419B2 (en) | 2000-05-23 | 2005-01-03 | Multi-function printhead platen |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/186,510 Continuation US7740338B2 (en) | 2000-05-23 | 2008-08-05 | Printhead assembly having a pressurised air supply |
Publications (2)
Publication Number | Publication Date |
---|---|
US20060077239A1 US20060077239A1 (en) | 2006-04-13 |
US7425053B2 true US7425053B2 (en) | 2008-09-16 |
Family
ID=24298997
Family Applications (22)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/291,400 Expired - Fee Related US6786658B2 (en) | 2000-05-23 | 2002-11-12 | Printer for accommodating varying page thicknesses |
US10/728,936 Expired - Fee Related US6984080B2 (en) | 2000-05-23 | 2003-12-08 | Laminated distribution structure |
US10/728,926 Expired - Fee Related US6997625B2 (en) | 2000-05-23 | 2003-12-08 | Ink distribution assembly |
US10/913,341 Expired - Fee Related US6997626B2 (en) | 2000-05-23 | 2004-08-09 | Ink and air distribution within a printer assembly |
US11/026,027 Expired - Lifetime US6994419B2 (en) | 2000-05-23 | 2005-01-03 | Multi-function printhead platen |
US11/064,008 Expired - Fee Related US7325986B2 (en) | 2000-05-23 | 2005-02-24 | Printhead assembly with stacked ink distribution sheets |
US11/082,989 Expired - Fee Related US7083258B2 (en) | 2000-05-23 | 2005-03-18 | Printhead assembly |
US11/225,173 Expired - Fee Related US7364377B2 (en) | 2000-05-23 | 2005-09-14 | Print engine assembly with an elongate converging ink distribution assembly |
US11/228,434 Expired - Fee Related US7114868B2 (en) | 2000-05-23 | 2005-09-19 | Inkjet printing assembly with multi-purpose platen assembly |
US11/281,419 Expired - Fee Related US7425053B2 (en) | 2000-05-23 | 2005-11-18 | Printhead assembly with a laminated ink distribution assembly |
US11/520,575 Expired - Fee Related US7328994B2 (en) | 2000-05-23 | 2006-09-14 | Print engine assembly with slotted chassis |
US11/955,362 Expired - Fee Related US7841710B2 (en) | 2000-05-23 | 2007-12-12 | Printhead assembly with a pressurized air supply for an inkjet printer |
US11/962,050 Expired - Fee Related US7748833B2 (en) | 2000-05-23 | 2007-12-20 | Ink distribution structure with a laminated ink supply stack for an inkjet printer |
US12/050,949 Expired - Fee Related US7658467B2 (en) | 2000-05-23 | 2008-03-19 | Printhead assembly laminated ink distribution stack |
US12/186,510 Expired - Fee Related US7740338B2 (en) | 2000-05-23 | 2008-08-05 | Printhead assembly having a pressurised air supply |
US12/697,265 Abandoned US20100134559A1 (en) | 2000-05-23 | 2010-01-31 | Printhead assembly incorporating laminated ink distribution stack |
US12/815,307 Abandoned US20100245473A1 (en) | 2000-05-23 | 2010-06-14 | Printhead assembly having crossover ink distribution assembly |
US12/829,332 Abandoned US20100271426A1 (en) | 2000-05-23 | 2010-07-01 | Laminated ink supply structure mounted in ink distribution arrangement of an inkjet printer |
US13/859,478 Expired - Fee Related US8696096B2 (en) | 2000-05-23 | 2013-04-09 | Laminated ink supply structure mounted in ink distribution arrangement of an inkjet printer |
US14/073,679 Abandoned US20140063143A1 (en) | 2000-05-23 | 2013-11-06 | Laminated ink supply structure mounted in ink distribution arrangement of an inkjet printer |
US15/438,656 Expired - Fee Related US9908334B2 (en) | 2000-05-23 | 2017-02-21 | Inkjet printhead assembly having ink and air passages |
US15/887,858 Expired - Fee Related US10160212B2 (en) | 2000-05-23 | 2018-02-02 | Method of printing with air blowing across inkjet printhead |
Family Applications Before (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/291,400 Expired - Fee Related US6786658B2 (en) | 2000-05-23 | 2002-11-12 | Printer for accommodating varying page thicknesses |
US10/728,936 Expired - Fee Related US6984080B2 (en) | 2000-05-23 | 2003-12-08 | Laminated distribution structure |
US10/728,926 Expired - Fee Related US6997625B2 (en) | 2000-05-23 | 2003-12-08 | Ink distribution assembly |
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US12/186,510 Expired - Fee Related US7740338B2 (en) | 2000-05-23 | 2008-08-05 | Printhead assembly having a pressurised air supply |
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US14/073,679 Abandoned US20140063143A1 (en) | 2000-05-23 | 2013-11-06 | Laminated ink supply structure mounted in ink distribution arrangement of an inkjet printer |
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2008
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US9028048B2 (en) | 2000-05-23 | 2015-05-12 | Memjet Technology Ltd. | Printhead assembly incorporating ink distribution assembly |
US9254655B2 (en) | 2000-05-23 | 2016-02-09 | Memjet Technology Ltd. | Inkjet printer having laminated stack for receiving ink from ink distribution molding |
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US9944079B2 (en) * | 2014-07-17 | 2018-04-17 | Hewlett-Packard Development Company, L.P. | Print bar structure |
US10189257B2 (en) | 2014-07-17 | 2019-01-29 | Hewlett-Packard Development Company, L.P. | Print bar structure |
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